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authorColin Cross <ccross@android.com>2013-03-13 17:16:02 -0700
committerColin Cross <ccross@android.com>2013-03-13 17:16:02 -0700
commit0b203ab4aacdb6e6dfb8c277aa290f0a02428e6f (patch)
tree9bab760a750d9cf4504d92603ee7fc82beeb2e38 /arch/parisc/kernel/cache.c
parenta276def548828763cf5ac228adf8c1ca73f8d4d3 (diff)
parente28c3f2b514b5581e15614f7cf976131092cf4b6 (diff)
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Merge tag 'v3.0.68' into android-3.0
This is the 3.0.68 stable release Conflicts: kernel/cgroup.c Change-Id: I067982d25e18e3a12de93a5eb6429b8829d7ca11
Diffstat (limited to 'arch/parisc/kernel/cache.c')
-rw-r--r--arch/parisc/kernel/cache.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 83335f3..5241698 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -421,6 +421,24 @@ void kunmap_parisc(void *addr)
EXPORT_SYMBOL(kunmap_parisc);
#endif
+void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
+{
+ unsigned long flags;
+
+ /* Note: purge_tlb_entries can be called at startup with
+ no context. */
+
+ /* Disable preemption while we play with %sr1. */
+ preempt_disable();
+ mtsp(mm->context, 1);
+ purge_tlb_start(flags);
+ pdtlb(addr);
+ pitlb(addr);
+ purge_tlb_end(flags);
+ preempt_enable();
+}
+EXPORT_SYMBOL(purge_tlb_entries);
+
void __flush_tlb_range(unsigned long sid, unsigned long start,
unsigned long end)
{